diff --git a/Containerfile b/Containerfile
index 4b0ab9b..d0bd5f6 100644
--- a/Containerfile
+++ b/Containerfile
@@ -44,6 +44,7 @@ FROM stagex/user-pcsc-lite:sx2025.02.0@sha256:825708912c41d93dd38230f6f481f5876a
 FROM stagex/user-pcsc-tools:sx2025.02.0@sha256:dc609b2eb7ba44f877b481633baa86873e99739573f81fe10d5485eb5a1b4f9d AS user-pcsc-tools
 FROM stagex/user-qemu:sx2025.02.0@sha256:47653f32fb5874d91969a4b206e8f46f26f056dc2adfc88758d57208a6659b03 AS user-qemu
 FROM stagex/user-canokey-qemu:sx2025.02.0@sha256:aba3be44d4b0da2f4ee52fdc2e2cd5b4f6dd05162323015745d2fd194d3074a7 AS user-canokey-qemu
+FROM stagex/user-sdtool:sx2025.02.0@sha256:7543bbfdc39efd94820484ffdc984ec16aac29523d0533c19887d907828e7a9a AS user-sdtool
 FROM stagex/user-seabios:sx2025.02.0@sha256:03eeb1344ad5f94dccdedbb3379906b272b62e246972e9334011746c79f234cf AS user-seabios
 FROM stagex/user-sops:sx2025.02.0@sha256:1eb6f16dcae77f43dddfed09d471a4aca7db3773e7de5352278c3d334927b0dd AS user-sops
 FROM stagex/core-zlib:sx2025.02.0@sha256:15860e0789afa0f3ed1bd4e9d771ecb34fbab399064f6aa69c05e71cb8822156 AS core-zlib
@@ -134,6 +135,8 @@ COPY --from=user-opensc . initramfs
 COPY --from=user-util-linux . initramfs
 COPY --from=user-sops . initramfs
 COPY --from=core-gcc /usr/lib/libgcc* initramfs/usr/lib/
+COPY --from=user-sdtool . initramfs
+RUN chmod +x initramfs/usr/bin/sdtool
 COPY --from=user-openpgp-card-tools . initramfs
 COPY --from=user-sequoia-sq . initramfs
 COPY --from=user-sequoia-sq-wot . initramfs